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  • Document Image
    Bell Ringer

    Teens' Views of K-12 Education in the U.S.

    EdChoice Vice President of Research & Innovation Paul DiPerna talked about his group’s recent survey of t…

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    11 minutes
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    Bell Ringer

    Japanese Prime Minister Kishida on U.S. Global Role

    Japanese Prime Minister Fumio Kishida delivered an address before a joint meeting of Congress, in which h…

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    5 minutes
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    Bell Ringer

    A World Without Nuclear Weapons

    Japanese Prime Minister Fumio Kishida delivered an address before a joint meeting of Congress, in which h…

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    2 minutes
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    Bell Ringer

    Japanese and American Economic Collaboration

    Japanese Prime Minister Fumio Kishida delivered an address before a joint meeting of Congress, in which h…

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    2 minutes
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    Bell Ringer

    Japan and Space Exploration

    Japanese Prime Minister Fumio Kishida delivered an address before a joint meeting of Congress, in which h…

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    3 minutes
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    Bell Ringer

    TV and the Senate

    Betty Koed, a retired U.S. Senate historian, shared stories from her book "Scenes," including the impact …

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    7 minutes
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    Bell Ringer

    Using AI in Criminal Investigations

    As Artificial Intelligence is used more and more, it has started to change the methods of criminal invest…

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    7 minutes
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    Bell Ringer

    Axiom 3: The First All-European Commercial Astronaut Mission to the ISS

    In January of 24, NASA, Axiom Space, and SpaceX collaborated to send the first all-European Commercial As…

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    9 minutes
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    Bell Ringer

    The Challenges and Benefits of the Artemis Mission to the Moon

    The Artemis missions to return to the Moon outline an exciting journey that can benefit our eventual jour…

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    5 minutes
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    Bell Ringer

    UAPs and the Government Response

    As news grew about Unidentified Aerial Phenomenon (UAPs), the public and media attention grew. As a resul…

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    11 minutes
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    Bell Ringer

    Benefits and Dangers: Examples of How the Federal Government is Responding to Artificial Intelligence

    As AI grows in popularity, so does word of its benefits and dangers. The government, especially the legis…

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    11 minutes
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    Bell Ringer

    Success in Failure: the Second SpaceX Starship Explodes

    A RUD in spaceflight stands for “Rapid Unscheduled Disassembly.” On November 18, 2023, SpaceX performed i…

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    9 minutes
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    Bell Ringer

    Deep Fakes, AI, and U.S. Elections

    Executive Director of New York University's Center for Social Media & Politics Zeve Sanderson talked abou…

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    12 minutes
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    Bell Ringer

    How Records Are Made

    This 1942 RCA Victor Corporation film showed the process of how records are made, including making the ma…

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    18 minutes
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    Bell Ringer

    Managing Generalized Anxiety

    In a conversation with former ABC News journalist Dan Harris, psychotherapist and author Luana Marques ta…

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    11 minutes
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    Bell Ringer

    Managing Acute Anxiety

    In a conversation with former ABC News journalist Dan Harris, psychotherapist and author Luana Marques ta…

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    7 minutes
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    Bell Ringer

    Exposure Therapy, Personal Values, and Anxiety

    In a conversation with former ABC News journalist Dan Harris, psychotherapist and author Luana Marques di…

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    6 minutes
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    Bell Ringer

    Infrastructure Investment and the Iron Triangle

    President Biden discussed infrastructure and the impact of his administration’s “Investing in America” ag…

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    5 minutes
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    Bell Ringer

    SC-7

    University of Notre Dame military history professor Ian Ona Johnson provided an example of of a naval eng…

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    7 minutes
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    Bell Ringer

    Convoys and Wolfpacks

    University of Notre Dame military history professor Ian Ona Johnson described the tactics of the British …

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    3 minutes
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    Bell Ringer

    German Type VII Sub

    University of Notre Dame military history professor Ian Ona Johnson described the German Type VIII Sub, u…

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    4 minutes
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    Bell Ringer

    Airships, Airplanes and Balloons

    Author and historian S.C. Gwynne talked about balloons, airplanes, and airships in history.

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    11 minutes
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    Bell Ringer

    2023 National Climate Assessment Report

    The National Resources Defense Council’s Strategic Engagement Director Bob Deans talked about the U.S. go…

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    7 minutes
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    Bell Ringer

    History of the Telegram

    This 1956 Western Union Telegraph Company film summarizes the history of the telegram, current use, and d…

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    19 minutes
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    Bell Ringer

    Rudolf Diesel and the Diesel Engine

    Author Douglas Brunt discusses the life and contributions of Rudolf Diesel, the creator of the diesel eng…

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    21 minutes
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    Bell Ringer

    Inoculation of Smallpox

    Author Andrew Wehrman talked about the history of smallpox inoculation. The American Revolution Institute…

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    4 minutes
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    Bell Ringer

    What Was Smallpox?

    Author Andrew Wehrman talked about what smallpox was. The American Revolution Institute in Washington, D.…

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    2 minutes
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    Bell Ringer

    Creation of SpaceX and Tesla

    Author Walter Isaacson explained the reasons for Elon Musk creating SpaceX and Tesla.

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    4 minutes
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    Bell Ringer

    U.S. Auto Industry Maverick John DeLorean

    University of Central Florida professor Yanek Mieczkowski discussed U.S. auto industry maverick John DeLo…

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    5 minutes
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    Bell Ringer

    U.S. Auto Industry Maverick Preston Tucker

    University of Central Florida professor Yanek Mieczkowski discussed U.S. auto industry maverick Preston T…

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    11 minutes
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    Bell Ringer

    U.S. Auto Industry Maverick Harley Earl

    University of Central Florida professor Yanek Mieczkowski discussed U.S. auto industry maverick Harley Ea…

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    12 minutes
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    Bell Ringer

    History of Gambling

    The American Gaming Archives at the Nevada Historical Society tells the history of gambling through archi…

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    10 minutes
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    Bell Ringer

    What Is a Spillover and When Does It Become a Contagion?

    Author and journalist David Quammen explained the scientific definition of a spillover and when it become…

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    2 minutes
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    Bell Ringer

    NASA’s Dart Mission: The Impact On an Asteroid

    NASA’s DART Mission Team describe the goals of the DART mission and the historic nature of its success as…

    User-Created Content By C-SPAN Classroom
    4 minutes
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    Bell Ringer

    Experimenting with Plants on the ISS

    Students will learn from Brian Onate, NASA’s Advanced Plant Habitat project manager, as well as from astr…

    User-Created Content By C-SPAN Classroom
    5 minutes
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    Bell Ringer

    The Future of NASA Spacesuits

    As we plan to launch astronauts back to the moon and to Mars, new spacesuits are in need. MIT Professor D…

    User-Created Content By C-SPAN Classroom
    6 minutes
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    Bell Ringer

    Astronaut Ellen Ochoa Reflects on Experiments Aboard the ISS

    Ellen Ochoa was the first Hispanic Woman in Space in 1993 and in 2012 became the first Hispanic director …

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    3 minutes
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    Bell Ringer

    Astronaut Mae Jemison’s Childhood Dreams

    Astronaut Dr. Mae Jemison reflects on her dreams as a child and what it took to reach them.

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    2 minutes
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    Bell Ringer

    Commercial Space Flight

    Students learn of the benefits and goals of using commercial space flight.

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    3 minutes
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    Bell Ringer

    Sally Ride in Her Own Words

    Sally Ride reflects on the significance of becoming the first woman in space.

    User-Created Content By C-SPAN Classroom
    3 minutes
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    Bell Ringer

    Why Go To the Moon?

    NASA Administrator reflects on the purpose of the Artemis II mission, expected to launch in late 2024.

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    4 minutes
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    Bell Ringer

    Oppenheimer and Beginning the Manhattan Project

    Author Jon Hunner discussed J. Robert Oppenheimer's role during the beginning of the Manhattan Project.

    User-Created Content By C-SPAN Classroom
    4 minutes
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    Bell Ringer

    First NASA and SpaceX Astronauts in Space

    This bell ringer includes clips of the first NASA manned flight in 1961 and the first SpaceX manned fligh…

    User-Created Content By C-SPAN Classroom
    6 minutes
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    Bell Ringer

    Dr. Bernard Harris: First African American to Walk in Space

    This bell ringer includes excerpts from Dr. Harris’ speech at a program honoring African-Americans in spa…

    User-Created Content By C-SPAN Classroom
    6 minutes
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    Bell Ringer

    Kathryn Sullivan: First Woman Astronaut to Walk in Space

    Astronaut Kathryn Sullivan reflects on being the first woman astronaut to conduct a spacewalk.

    User-Created Content By C-SPAN Classroom
    3 minutes
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    Bell Ringer

    President Obama with Astronauts Scott and Mark Kelly

    President Obama speaks with astronauts Scott and Mark Kelly.

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    2 minutes
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    Bell Ringer

    Congressional Oversight of Artificial Intelligence

    Director of the Center for Strategic and International Studies' Wadhwani Center for AI and Advanced Techn…

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    9 minutes
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    Bell Ringer

    Importance of AM Radio

    In light of announcements that some vehicle manufacturers would phase out AM radio capabilities in newly …

    User-Created Content By C-SPAN Classroom
    13 minutes
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    Bell Ringer

    Impact of Technology on Labor Markets

    Boston College economics professor Chandini Sankaran discussed the evolution of job skills and how comput…

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    12 minutes
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    Bell Ringer

    FISA Section 702 and Government Surveillance

    Former National Security Agency Principal Litigation Counsel George Croner talked about the Foreign Intel…

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    15 minutes
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    Bell Ringer

    U.S. Patent and Trademarks

    Thad Parsons talked about the U.S. Patent and Trademark Office which was designated in the Constitution a…

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    9 minutes
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    Bell Ringer

    Killing of Osama bin Laden

    American History TV toured the CIA Museum at the agency’s Langley, Virginia, headquarters. Director and c…

    User-Created Content By C-SPAN Classroom
    4 minutes
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    Bell Ringer

    Argo

    American History TV toured the CIA Museum at the agency’s Langley, Virginia, headquarters. Director and c…

    User-Created Content By C-SPAN Classroom
    8 minutes
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    Bell Ringer

    China's Military Capabilities

    Principal and Co-Founder of Marathon Initiative Elbridge Colby and Director of Asia Engagement at Defense…

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    11 minutes
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    Bell Ringer

    What is a Cell?

    Physician and biologist Siddhartha Mukherjee discussed the cell and its significance.

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    3 minutes
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    Bell Ringer

    Henrietta Lacks

    Author Rebecca Skloot discussed the background of Henrietta Lacks and her impact on the scientific commun…

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    5 minutes
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    Bell Ringer

    The Strategic Arms Limitation Talks (SALT)

    Office of the Secretary of Defense Chief Historian Erin Mahan and University of Virginia Miller Center Fa…

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    3 minutes
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    Bell Ringer

    Resistance and Progress

    During an address at the United Nations General Assembly, President Ebrahim Raisi said Iran has "learned …

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    1 minute
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    Bell Ringer

    History of Wiretapping

    Brian Hochman talked about his book, "The Listeners: A History of Wiretapping in the United States." Note…

    User-Created Content By C-SPAN Classroom
    4 minutes
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    Bell Ringer

    What Are Coral Reefs?

    Science writer Juli Berwald explains the formation of coral reefs, their significance, and condition over…

    User-Created Content By C-SPAN Classroom
    7 minutes
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    Bell Ringer

    Landmark Legislation: 1956 Federal-Aid Highway Act

    Shawn Wilson, president of the American Association of State Highway and Transportation Officials (AASHTO…

    User-Created Content By C-SPAN Classroom
    9 minutes
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    Bell Ringer

    Cryptocurrency and Government Currency

    Forbes Media chairman and co-author of "Inflation" Steve Forbes discussed the potential for stablecoin cr…

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    2 minutes
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    Bell Ringer

    Unidentified Aerial Phenomena

    Scott Bray, deputy director of naval intelligence, discussed a rise in reports of “Unidentified Aerial Ph…

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    9 minutes
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    Bell Ringer

    China and 21st Century Technologies

    Former Representative Will Hurd (R-TX) discussed China's impact on 21st century technologies. He was inte…

    User-Created Content By C-SPAN Classroom
    5 minutes
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    Bell Ringer

    Significance of Silent Spring

    Author Paul Driessen talked about the impact of Rachel Carson’s book Silent Spring.

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    5 minutes
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    Bell Ringer

    The History of the Flat Earth Movement

    Daily Beast journalist Kelly Weill reported on the rise of the Flat Earth movement. She was interviewed b…

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    8 minutes
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    Bell Ringer

    Impact of Technology on Youth Learning

    Emory University professor Mark Bauerlein discussed the impact that technology has on knowledge among mil…

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    6 minutes
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    Bell Ringer

    The Science of Emotion

    Theoretical physicist Leonard Mlodinow and Northeastern University professor of psychology and author Lis…

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    10 minutes
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    Bell Ringer

    Women in STEM

    Nancy Chabot from Johns Hopkins University’s Applied Physics Laboratory and Meredith MacGregor from Unive…

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    6 minutes
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    Bell Ringer

    Space-Based Threats to Earth

    Nancy Chabot from Johns Hopkins University’s Applied Physics Laboratory discussed asteroids, comets, mete…

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    3 minutes
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    Bell Ringer

    LED Lightbulbs and the Phoebus Cartel

    Journalist J.B. MacKinnon discussed his book "The Day the World Stops Shopping," specifically the impact …

    User-Created Content By C-SPAN Classroom
    4 minutes
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    Bell Ringer

    Information Disorder

    Aspen Institute’s Vivian Schiller talked about her organization’s report on and recommendations for addre…

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    4 minutes
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    Bell Ringer

    Child Safety on Social Media

    This bell ringer features testimony from executives of Snapchat, TikTok, and YouTube on their ongoing eff…

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    13 minutes
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    Bell Ringer

    Big Data and Competition

    This bell ringer examines how big data is managed and the relationship between data management and compet…

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    6 minutes
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    Bell Ringer

    SpaceX Inspiration4, the first all-civilian space mission

    This bell ringer explores the SpaceX Inspiration4 launch, including the civilian crew's training protocol…

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    8 minutes
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    Bell Ringer

    September 11 and Government Surveillance Programs

    Cato Institute Senior Fellow Julian Sanchez talked about the evolution of government surveillance program…

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    11 minutes
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    Bell Ringer

    The Battle to End Malaria in the US

    Karen Masterson talks about her book "The Malaria Project: The U.S. Government’s Secret Mission to Find a…

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    6 minutes
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    Bell Ringer

    The Difference between Cryptocurrency and Electronic Payment Methods

    Peter Van Valkenburgh, research director at the crypto policy think tank Coin Center, talked about the di…

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    4 minutes
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    Bell Ringer

    "Cancel Culture" and Free Speech

    Telecommunications analysts Randolph May and Will Rinehart defined the concept of "cancel culture" and di…

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    6 minutes
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    Bell Ringer

    The Use of Monkeys during the Space Program

    Paul Morando, chief curator at the National Museum of the U.S. Army in Fort Belvoir, Virginia, explained …

    User-Created Content By C-SPAN Classroom
    2 minutes
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    Bell Ringer

    Disinformation and Misinformation on the Internet

    Harold Feld of Public Knowledge talked about the differences between disinformation and misinformation on…

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    2 minutes
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    Bell Ringer

    Nevada Nuclear Test Site

    Michael Hall gave a tour of the the National Atomic Testing Museum and spoke about the Nevada Test Site, …

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    6 minutes
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    Bell Ringer

    What are Hurricanes and How do they Form

    Author and 2020 Kirkus Book Prize finalist Eric Jay Dolin talked about what hurricanes are and how they f…

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    5 minutes
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    Bell Ringer

    Applications of Geographic Information Systems

    Albemarle High School Social Studies and Geospatial Technologies teacher Chris Bunin explained how GIS wo…

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    4 minutes
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    Bell Ringer

    Role of the World Health Organization

    Christian McMillen talked about the origin of the World Health Organization and its role throughout histo…

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    3 minutes
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    Bell Ringer

    Identifying Fake News Sources

    Penn State University graduate student and tech researcher Maria Molina Davila reviewed her research that…

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    4 minutes
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    Bell Ringer

    Microtargeting in Political Campaigns

    Matt Dailer, deputy political director at the Republican National Committee, talked about the changes in …

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    2 minutes
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    Bell Ringer

    Stratobowl Balloon Flight

    Reaching a height of over 72,000 feet, the Stratobowl balloon brought back the first images showing the E…

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    3 minutes
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    Bell Ringer

    What is Cryptocurrency and How does it work?

    American Enterprise Institute Visiting Fellow Jim Harper discussed cryptocurrency and how cryptocurrency …

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    3 minutes
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    Bell Ringer

    Albuquerque, New Mexico and the History of Hot Air Balloons

    This bellringer visits Albuquerque, New Mexico (NM), the Hot Air Balloon Capital of the World, to learn a…

    User Created Content By zachlowe1
    4 minutes
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    Bell Ringer

    Purdue University and Early Aviation

    This bellringer highlights Purdue University in West Lafayette, Indiana (IN) and its role in the developm…

    User Created Content By zachlowe1
    5 minutes
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    Bell Ringer

    Future of U.S. Space Policy

    Representative Michael Waltz (R-FL) described how he believes U.S. Space Policy needs to develop. Repre…

    User Created Content By maureeml
    5 minutes
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    Bell Ringer

    NASA: Strategy for Funding 2024 Mission to the Moon

    NASA Administrator Jim Bridenstine talked about how NASA will secure funding for it mission to the south …

    User Created Content By maureeml
    5 minutes
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    Bell Ringer

    B-52s at Barksdale Air Force Base

    This bellringer focuses on the role of the famous aircraft, many of which are stationed at Barksdale Air …

    User Created Content By zachlowe1
    5 minutes
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    Bell Ringer

    Maple Syrup and Vermont

    This bellringer focuses on the history and production process of maple syrup in Montpelier, VT.

    User Created Content By zachlowe1
    6 minutes
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    Changes to Illinois Waterways

    This bellringer visits the Peoria Riverfront Museum in Illinois (IL) to focus on changes to the river sys…

    User Created Content By zachlowe1
    8 minutes
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    Bell Ringer

    The Impact of Technology on the Workforce

    Peter Kiernan described the disruptions to employment, and the lack of highly-skilled Americans to fill t…

    User Created Content By Eleanorgreen29
    6 minutes
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    Bell Ringer

    The Legacy of Christa McAuliffe

    This bellringer visits the McAuliffe-Shepard Discovery Center in Concord, New Hampshire (NH) to learn abo…

    User Created Content By zachlowe1
    5 minutes
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    Bell Ringer

    19th Century Industry: Roebling and Sons

    This bellringer visits the Roebling Museum in New Jersey (NJ) to study the impact of the mid-1800s invent…

    User Created Content By zachlowe1
    7 minutes
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    Bell Ringer

    Cold War Deterrence: Intercontinental Ballistic Missiles

    This bellringer visits the Titan Missile Museum, located outside Tuscon, Arizona (AZ), and focuses on the…

    User Created Content By zachlowe1
    6 minutes
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